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Korolek [52]
3 years ago
10

What is the circumference of the circle? (use 3.14 for pi)

Mathematics
2 answers:
Alina [70]3 years ago
3 0

Step-by-step explanation:

Circumference = d\pi

Circumference = (18) \pi

Circumference = 56.52

The circumference of the circle is 56.52 km which is letter choice B.

Shtirlitz [24]3 years ago
3 0

Answer:

56.52 km

Step-by-step explanation:

circumference of circle =2πr or dπ

d×π=18×3.14=56.52 km

hope this helps

plzz mark me brainliest

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Refer to the previous exercise. The researchers wanted a sufficiently large sample to be able to estimate the probability of pre
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Answer:

<em>The large  sample n = 117.07</em>

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given that the estimate error (M.E) = 0.08

The proportion (p) = 0.75

q =1-p = 1- 0.75 =0.25

Level of significance = 0.05

Z₀.₀₅ = 1.96≅ 2

<u><em>Step(ii):-</em></u>

The Marginal error is determined by

M.E = \frac{Z_{0.05} \sqrt{p(1-p)}  }{\sqrt{n} }

0.08 = \frac{2 X \sqrt{0.75(1-0.75)}  }{\sqrt{n} }

Cross multiplication , we get

\sqrt{n}  = \frac{2 X \sqrt{0.75(1-0.75)}  }{0.08 }

√n = \frac{2 X0.4330}{0.08} = 10.825

squaring on both sides , we get

n = 117.07

<u><em>Final answer:-</em></u>

<em>The large  sample n = 117.07</em>

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2 years ago
Write a sentence about anything you want using the ratio 4: 2. (Hint Start with the words "For every")
Nina [5.8K]

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OR

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Step-by-step explanation:

Anything works really, just make sure it make sense.

<u>Hope this helps :-)</u>

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3 years ago
WILL MARK BRAINLIEST, I NEED IT ASAP!<br> Find N(A)<br> A= {letters in the word "Strawberry}
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Answer:

i think n(a) =10

Step-by-step explanation:

hope this is helpful

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<u>I think</u>

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nikitadnepr [17]
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